Solar Energy Analysis for Annapolis, MD

Based on historical Annapolis, MD data, solar panels that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output in Annapolis.[1]

Annapolis has an average monthly Global Horizontal Irradiance (GHI) of 4.14 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 1% greater than the average monthly Direct Normal Irradiance (DNI) of 4.08 kWh/m2/day. [1]

Solar installations in Annapolis that are always titled at the latitude of Annapolis (Average Tilt at Latitude or ATaL) average 4.82 kWh/m2/day, or about 16% greater than the average monthly GHI of 4.14 kWh/m2/day and approximately 18% greater than the average monthly DNI of 4.08 kWh/m2/day. [1]

Solar Energy Glossary

Global Horizontal Irradiance (GHI)

Global Horizontal Irradiance: The total amount of solar radiation that is received per unit area by a surface that is always positioned in a horizontal manner.

Direct Normal Irradiance (DNI)

Direct Normal Irradiance: The total amount of solar radiation received per unit area by a surface that is always perpendicular to the sun rays that come in a straight line from the direction of the sun at its current position in the sky.

Average Tilt at Latitude (ATaL)

Average Tilt at Latitude: The total amount of solar radiation received per unit area by a surface that is tilted toward the equator at an angle equal to the current latitude. ATaL will often produce the optimum energy output.

Solar Radiation Analysis for Annapolis, MD

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Solar Power Comparison: Annapolis vs. the U.S.

Solar Power Levels in Annapolis

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Solar Power: vs. the U.S.

Below is a month-by-month comparison of how average Annapolis solar radiation levels compare to average levels in a city with historcially high levels (NV) and a city with historically low levels (WA). [1]

Solar Output Analysis for Annapolis, MD

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Cost of Utilities in Annapolis

Annapolis Electricity Costs

Electricity prices (residential) in Annapolis averaged 13.26 cents per kilowatthour (¢/kWh) in June 2019, which was about 1% less than the overall U.S. average residential electricity rate of 13.34¢/kWh in June. [3]

Solar Power Poll: Annapolis

Vote now: Given all of the data and analysis provided for Annapolis, is solar power a good choice for residents of this city?

Yes, solar power is a great option
No, solar power isn't a good option

Annapolis Natural Gas Costs

Natural gas prices (residential) in Maryland averaged $19.73 per thousand cubic feet (Mcf) in June 2019, which was approximately 26% more than the overall U.S. average residential natural gas rate of $15.67 per Mcf in June. [4]

About Solar Energy Local

Solar Energy Local uses local data & statistics to help consumers understand solar power in their communities. Through the use of open data, both homeowners and business owners can now make more knowledgeable solar energy choices.